About the Number

49128390

49128389 ← → 49128391

2進数表記:10111011011010001111000110

漢数字表記:四千九百十二万八千三百九十

素因数分解:

2 1 × 3 3 × 5 1 × 181957 1

素因数の和:181973
約数の個数: 32
約数和(自身を含む): 131009760
約数和(自身を除く): 81881370

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 181957, 363914, 545871, 909785, 1091742, 1637613, 1819570, 2729355, 3275226, 4912839, 5458710, 8188065, 9825678, 16376130, 24564195, 49128390]

約数ペア:
[(1, 49128390), (2, 24564195), (3, 16376130), (5, 9825678), (6, 8188065), (9, 5458710), (10, 4912839), (15, 3275226), (18, 2729355), (27, 1819570), (30, 1637613), (45, 1091742), (54, 909785), (90, 545871), (135, 363914), (270, 181957)]

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